Chepurnyy, M., S. Tkachenko, і O. Kutsak. «IMPROVEMENT OF HEATING PLANT OPERATION EFFICIENT DUE TO CONTACT WASTE HEAT BOILERS AND HEAT PUMP EQUIPMENT». Scientific Works of Vinnytsia National Technical University, вип. 2, Листопад 2015, https://works.vntu.edu.ua/index.php/works/article/view/218.